NEC Projector PX803UL User Manual

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2. Press the ▼▲◀ or ▶ button.
	 Use	the	▼▲◀▶	buttons	to	move	the	projected	image.
•	 Returning	the	lens	shift	position	to	the	home	position
	 Press	and	hold	the	LENS	SHIFT/HOME	POSITION	button	for	2	seconds	to	return	the	lens	shift	position	to	the	
home	position	(nearly	center	position)
2. Projecting an Image (Basic Operation)  

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Adjusting with the remote control
1.	 Hold	the	CTL	button	and	press	the	ECO/L-SHIFT	button.
	 The	[LENS	SHIFT]	screen	will	be	displayed.	
2. Press the ▼▲◀ or ▶ button.
	 Use	the	▼▲◀▶	buttons	to	move	the	projected	image.
NOTE:
Lens	Calibration
If	the	power	of	the	projector	is	wrongly	shut	down	during	the	motion	of	lens	shift,	it	may	shift	the	home	position	of	the	lens	and	
may	cause	of	malfunction.	In	this	case,	perform	lens	calibration.
Lens	calibration	procedures
1.	Power	on	the	projector.
2.	Press...

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Focus
Applicable	lens	unit:	NP16FL/NP17ZL/NP18ZL/NP19ZL/NP20ZL/NP21ZL
1.	 Press	the	FOCUS	+/−	button.
•	 On	the	remote	control,	while	pressing	on	the	CTL	button,	press	on	VOL/FOCUS	(+)	or	(−)	button.
	 The	focus	is	adjusted.
TIP:	
To	obtain	the	best	focus,	perform	the	following	(for	permanent	installation)	
Preparation:	Warm	up	the	projector	for	one	hour.	
1.	 Use	the	FOCUS	+/−	buttons	to	make	sure	you	obtain	the	best	focus.	If	you	do	not,	move	the	projector	back	
and	forth.	
2.	 Select	the	[TEST...

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Applicable	lens	unit:	NP31ZL
1.	 Focus	on	the	projected	image	around	the	optical	axis.	(Powered	f ocus)
	 The	drawing	below	shows	an	example	when	the	projected	image	is	shifted	upward.	In	this	case	the	optical	axis	is	
at	the	bottom	edge	of	the	projected	image.	
Adjusting with buttons on the cabinet
Press	the	FOCUS	+/−	BUTTON	on	the	control	panel
Adjusting with the remote control
Press	the	VOL/FOCUS	button	holding	the	CTL	b utton
Optical	axis
*	 When	the	lens	is	at	the	center	position,	the	optical...

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2.	 Adjust	the	focus	at	the	edges	of	the	projected	image.	(Manual	f ocus)
	 Turn	the	edge	focus	ring	clockwise	or	counterclockwise.
Optical	axis
This	completes	adjusting	the	projected	image’s	overall	focus.
NOTE:
The	NP31ZL	supports	the	Lens	Memory	function,	which	allows	you	to	store	adjusted	value	for	Lens	Shift,	Zoom,	and	Focus.
If	you	accidentally	move	the	Edge	focus	ring	(drawing	shown	below)	after	having	stored	adjusted	values,	the	adjusted	values	stored	
in	the	Lens	Memory	will	not	be	correctly...

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TIP:	To	obtain	the	best	focus,	perform	the	following	(for	permanent	installation)
Preparation:	Warm	up	the	projector	for	one	hour.
1.	Press	the	FOCUS	+/−	buttons	to	check	the	adjustable	focus	range.	For	checking	it	by	the	remote	control,	press	and	hold	the	CTL	
button	and	press	VOL./FOCUS	+/−	button.	If	the	projector	in	use	is	not	within	the	adjustable	focus	range,	move	the	projector	back	
and forth.
2.	Select	the	[TEST	PATTERN]	from	the	menu	and	display	the	test	pattern.	(→ page 86)
•	 For	displaying...

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2.	 Adjust	the	focus	at	the	edges	of	the	projected	image.		
	 Press	either	the	ZOOM	+/−	button	on	the	control	panel	or	the	D-ZOOM/ZOOM	+/−	button	while	holding	to	press	
the	CTL	button	on	the	remote	control.
	 Focus	around	the	optical	axis	set	at	step	1	is	remained	unchanged.
Optical	axis
3.	 Repeat	steps	1	and	2	until	the	optimal	focus	can	be	obtained	on	whole	image.
TIP:	
To	obtain	the	best	focus,	perform	the	following	(for	permanent	installation)	
Preparation:	Warm	up	the	projector	for	one	hour....

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Zoom
Applicable	lens	units:	NP17ZL/NP18ZL/NP19ZL/NP20ZL/NP21ZL/NP31ZL
1. Press the ZOOM +/− button.
•	 On	the	remote	control,	while	pressing	on	the	CTL	button,	press	the	D-ZOOM/ZOOM	(+)	or	(−)	button.
	 The	zoom	is	adjusted.
2. Projecting an Image (Basic Operation)  

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Adjusting the Tilt Foot
1.	 The	position	to	project	image	may	be	adjusted	by	the	tilt	foot	
positioned	at	four	corners	of	the	cabinet	bottom.
	 The	tilt	foot	height	can	be	adjusted	by	its	turn.
	 “To	adjust	the	height	of	the	projected	image”
	 The	height	of	the	projected	image	is	adjusted	by	turning	either	front	
or	rear	tilt	foot.
	 “If	the	projected	image	is	tilted”
	 If	the	projected	image	is	tilted,	turn	either	left	or	right	tilt	foot	to	adjust	
the	image	so	that	it	is	level.
•	 If	the	projected...

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❻ Optimizing Computer Signal Automatically
Adjusting the Image Using Auto Adjust
When	an	image	from	HDMI	IN,	DisplayPort	IN,	BNC	input	terminal	(analog	RGB),	COMPUTER	IN,	or	HDBaseT	is	
being	projected,	and	the	edge	is	cut	off	or	the	image	quality	is	poor,	this	button	can	be	used	to	automatically	optimize	
the	projection	image	on	the	screen.
Press	the	AUTO	ADJ.	button	to	optimize	a	computer	image	automatically.
 
[Poor	picture][Adjusted	picture]
NOTE:
Some	signals	may	take	time	to	display	or	may	not...